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-rw-r--r--arch/x86/kernel/kvmclock.c15
-rw-r--r--arch/x86/kernel/smpboot.c1
-rw-r--r--arch/x86/kernel/tsc.c4
-rw-r--r--arch/x86/kernel/x86_init.c5
4 files changed, 19 insertions, 6 deletions
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 44842d7..f8492da6 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -136,6 +136,15 @@ int kvm_register_clock(char *txt)
return ret;
}
+static void kvm_save_sched_clock_state(void)
+{
+}
+
+static void kvm_restore_sched_clock_state(void)
+{
+ kvm_register_clock("primary cpu clock, resume");
+}
+
#ifdef CONFIG_X86_LOCAL_APIC
static void __cpuinit kvm_setup_secondary_clock(void)
{
@@ -144,8 +153,6 @@ static void __cpuinit kvm_setup_secondary_clock(void)
* we shouldn't fail.
*/
WARN_ON(kvm_register_clock("secondary cpu clock"));
- /* ok, done with our trickery, call native */
- setup_secondary_APIC_clock();
}
#endif
@@ -194,9 +201,11 @@ void __init kvmclock_init(void)
x86_platform.get_wallclock = kvm_get_wallclock;
x86_platform.set_wallclock = kvm_set_wallclock;
#ifdef CONFIG_X86_LOCAL_APIC
- x86_cpuinit.setup_percpu_clockev =
+ x86_cpuinit.early_percpu_clock_init =
kvm_setup_secondary_clock;
#endif
+ x86_platform.save_sched_clock_state = kvm_save_sched_clock_state;
+ x86_platform.restore_sched_clock_state = kvm_restore_sched_clock_state;
machine_ops.shutdown = kvm_shutdown;
#ifdef CONFIG_KEXEC
machine_ops.crash_shutdown = kvm_crash_shutdown;
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index e578a79..5104a2b 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -255,6 +255,7 @@ notrace static void __cpuinit start_secondary(void *unused)
* most necessary things.
*/
cpu_init();
+ x86_cpuinit.early_percpu_clock_init();
preempt_disable();
smp_callin();
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 183c592..899a03f 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -630,7 +630,7 @@ static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
static unsigned long long cyc2ns_suspend;
-void save_sched_clock_state(void)
+void tsc_save_sched_clock_state(void)
{
if (!sched_clock_stable)
return;
@@ -646,7 +646,7 @@ void save_sched_clock_state(void)
* that sched_clock() continues from the point where it was left off during
* suspend.
*/
-void restore_sched_clock_state(void)
+void tsc_restore_sched_clock_state(void)
{
unsigned long long offset;
unsigned long flags;
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 947a06c..e9f265f 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -91,6 +91,7 @@ struct x86_init_ops x86_init __initdata = {
};
struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = {
+ .early_percpu_clock_init = x86_init_noop,
.setup_percpu_clockev = setup_secondary_APIC_clock,
.fixup_cpu_id = x86_default_fixup_cpu_id,
};
@@ -107,7 +108,9 @@ struct x86_platform_ops x86_platform = {
.is_untracked_pat_range = is_ISA_range,
.nmi_init = default_nmi_init,
.get_nmi_reason = default_get_nmi_reason,
- .i8042_detect = default_i8042_detect
+ .i8042_detect = default_i8042_detect,
+ .save_sched_clock_state = tsc_save_sched_clock_state,
+ .restore_sched_clock_state = tsc_restore_sched_clock_state,
};
EXPORT_SYMBOL_GPL(x86_platform);
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